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Operational Use of ADS-B In Non Radar Airspace Generic Design Safety Case ?
ICAO Separation and Airspace Safety Panel ? OPERATIONAL USE OF ADS-B IN NON RADAR AIRSPACE ? GENERIC DESIGN SAFETY CASE ? ? ?
? ??????????????? Operational Use of ADS-B In Non Radar Airspace Generic Design Safety Case?
Use of Data-link The successful implementation of new technologies in support of in ATM CNS/ATM concepts has resulted in many ground systems providing? advanced platforms suitable for the introduction of new Air Traffic Management (ATM) systems based on the used of data-link and satellite technology. The main objective for air navigation service providers by implementing these new systems is to increase safety and efficiency to the aviation industry in a cost-effective manner.? New technology ground systems typically support Air Traffic Control functions in both radar and non radar airspace. However the level of services provided for these airspace types is dependent on the accuracy and quality of the data received for the aircraft operating in that airspace. Typically, in non-radar airspace, aircraft position and other related information are sent to the controller by voice whereby the corresponding flight records are then manually updated by controller inputs. In some systems, data-link applications such as CPDLC may permit automatic update of the ground system data.? In continental non-radar airspace air traffic is currently managed using procedural control or procedural flight information service.? Many areas of the world are already experiencing delays due to the large separation standard imposed by procedural control. These delays could be reduced significantly and traffic services improved significantly by the introduction of a low cost surveillance system for these areas. A surveillance system of this type, linked to a new technology ground system, would also increase the safety for aircraft operating in these areas because it provides positive identification and allows safety net functionality such as short and medium term conflict alert, and minimum safe altitude warnings systems to be implemented.? An Automatic Dependent Surveillance Broadcast (ADS-B) based surveillance system is the most cost-effective surveillance system currently being implemented around the world. ADS-B systems are based on a function in the aircraft that periodically broadcasts its state vector and other relevant information. Ground stations are installed to receive and process the information broadcast by the ADS-B transponders. This information can then be sent to an Air Traffic Management system for integration with the existing automation system.?? A number of States have already implemented or are in the process of trialling an ADS-B based surveillance system in non-radar airspace. The
Operational Use of ADS-B In Non Radar Airspace Generic Design Safety Case ? ? ?
2.0 Scope ? Identify safety requirements for implementation of ADS B in non radar airspace ?
? primary objective is to reduce delays and improve traffic services in these areas by adopting separation standards similar to those used for conventional SSR radar. ? Initial safety analysis conducted by Eurocontrol [Eurocontrol Automatic Dependent Surveillance, Initial Safety Analysis Report, January 2000, TAG/20229/R02, Issues 1.0 by TA Group Ltd] on use of ADS-B indicates that the use of ADS-B as the sole surveillance system is potentially acceptable for low density / low complexity en-route airspace. Eurocontrol also say that it is more acceptable for those areas, which currently have no surveillance provision. www.aero.cn 航空翻譯 www.aviation.cn 本文鏈接地址：Operational Use of ADS-B In Non Radar Airspace Generic Desig
